Bearing steel
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Specification, Chemical & Mechanical Performance
Bearing steel is the general term for alloy steel used in the manufacture of bearing races and moving parts of all types of roller bearings. High carbon and chromium bearing steel is widely applied in the manufacture of pin rollers and sleeves on driving shaft used in auto components, construction machinery, combustion engines, electric locomotive, machine tools, tractors, steel rolling equipment, and drilling and exploration equipment for mining industry. Carburized bearing steel is mainly used in railway locomotives and wind turbines. The high-grade bearing steel products developed with proprietary technology have been highly appraised by six leading bearing manufacturers in the world.
Our main end users include SKF of Sweden, NSK of Japan, Koyo and NTN of Japan, TIMKEN of the U.S., Schaeffler（LUK/INA/FAG）of Germany, Taiwan Tung Pei, Shanghai General Bearing Co., Ltd., Wafangdian Bearing Group, LYC Bearing Corporation, C&U Group, Beijing SKF, Xiangyang Automobile Bearing Co., Zhejiang Tianma Bearing Co., and Ningbo Sanji steel tube Co..
Typical steels / Performance standards
|
GB standard |
ASTM standard |
EN standard |
JIS standard |
User standards and mutual agreement |
|---|---|---|---|---|
|
GCr15 GCr15SiMn G20CrNiMo G20CrNi2Mo G418Mo |
52100 SAE4320 |
100Cr6 100CrMnSi6 20NiCrMo2 |
SUJ2 SUJ3 SNCM420 |
SKF3、SK F3S、SUJ2S1 100CrMnSi6-4、SKF6 SKF7、SKF42、SkF48 SKF5、100Cr6、S53CG C56E2、SKF255 |
Product Specifications
|
Rolled round： Φ10~160 |
Seamless： Φ51~533×4~130 |
Ring： Φ500~6300×80~450（Height） |
|---|---|---|
|
Bright silver timber： Φ10~300 |
Round Forging： Φ100~950 |
Wire： Φ4.5~25 |
Description:
（1）Delivery state: hot-rolled, annealed, spheroidal annealed, bright bar, cold-drawn, etc.
（2）Listed specifications are only typical grades; products of required specifications can be developed/produced per international, Chinese or industry standards, or based on agreements with customers.
